Siemens 6ES7158-0AD01-0XA0 SIMATIC DP/DP Coupler

6ES7158-0AD01-0XA0 SIEMENS

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Recommended Models & Related Products

Migration Note: The PN/PN Coupler (6ES7158-3AD10-0XA0) is the recommended successor for most bridging applications. It supports PROFINET IO and offers higher data throughput. However, verify protocol compatibility with your existing PROFIBUS DP networks before substituting—the PN/PN Coupler is designed for PROFINET, not PROFIBUS DP .

What's Included

• 1 × Siemens 6ES7158-0AD01-0XA0 DP/DP Coupler

Note: PROFIBUS cables, connectors, power supply, and DIN rail are sold separately.

Why Buy From Us?

• In Stock – Ready to ship immediately

• Genuine Siemens Product – Factory original SIMATIC DP component, Active Product status

• Warranty Included – Purchase with confidence

• Technical Support – DP/DP Coupler configuration and successor migration assistance available

Frequently Asked Questions (FAQ)

Q1: What is the Siemens 6ES7158-0AD01-0XA0?

It is a DP/DP Coupler from the SIMATIC DP family. It connects two independent PROFIBUS DP networks, acting as a two-sided PROFIBUS slave to enable data exchange between two DP masters .

Q2: Is this product still in production?

It is classified as PM300: Active Product, but Siemens has announced a phase-out effective October 1, 2026. It remains available through standard channels until that date .

Q3: What is the successor model?

The PN/PN Coupler (6ES7158-3AD10-0XA0) is a functional successor for most bridging applications. It supports PROFINET IO and offers 256 bytes input/output per direction .

Q4: How do I set the PROFIBUS address on the coupler?

Set the ADDR switch to OFF to use the front-panel DIP switches for address configuration (the address is retained permanently). Set the ADDR switch to ON to let the DP master assign the address during initialization via STEP 7 or TIA Portal .

Q5: Does the coupler support redundant power supply?

Yes. It supports redundant current infeed, allowing two independent 24 V DC power sources to be connected for increased availability .

Q6: What is the maximum I/O data size?

Up to 244 bytes of inputs and 244 bytes of outputs per side, distributed across slots .

Q7: Is this coupler suitable for hazardous areas?

Yes. It carries ATEX gas-ex-protection Category 3G certification, suitable for Zone 2 applications .

Q8: Can I use this coupler with TIA Portal?

Yes. The coupler is configured via GSD file in TIA Portal or STEP 7. The I/O configuration is downloaded to the PLC, not to the coupler itself. The coupler only needs its PROFIBUS address set via DIP switches or master assignment .

Q9: What are the dimensions and weight?

Dimensions are 40 × 127 × 117 mm (W × H × D). Net weight is 0.303 kg .

Q10: What should I verify before ordering?

Always verify the exact part number (6ES7158-0AD01-0XA0), confirm your PROFIBUS network configuration requires a DP/DP coupler (not a PN/PN coupler), check the phase-out timeline for your maintenance planning, and consider whether the PN/PN Coupler successor may be more appropriate for future-proofing .